APA (7th ed.) Citation

Betts & Betts, E. H. (1993). Master class in watermedia. Watson-Guptill Publications.

Chicago Style (17th ed.) Citation

Betts and Edward H. Betts. Master Class in Watermedia. New York: Watson-Guptill Publications, 1993.

MLA (9th ed.) Citation

Betts and Edward H. Betts. Master Class in Watermedia. Watson-Guptill Publications, 1993.